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Vet Pro Nutrition

Big Dog MBS

Big Dog MBS

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Regular price $28.75
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Support your dog’s gut, immunity, and overall vitality with this naturally brewed synbiotic liquid.

Big Dog MBS® is a premium prebiotic, probiotic, and postbiotic feed supplement developed by the Dynavyte veterinary team. Fermented using Bacillus subtilis (Natto) and enriched with natural humates, kelp, and molasses, it delivers a daily dose of beneficial microbes to help your dog thrive.

Key Benefits

  • Promotes gut health and a balanced microbiome (gut–brain–skin axis)
  • Supports digestion with natural enzymes
  • Produces essential B vitamins and Vitamin K2
  • Enhances immunity and resilience
  • May help maintain oral health (same probiotic used in human mouthwashes)
  • No refrigeration required — stable even in warm conditions

Why choose Big Dog MBS?

Modern processed diets can disrupt your dog’s gut flora and reduce the diversity of good bacteria. Big Dog MBS helps restore this balance with a live, fermented synbiotic formula. Developed in Australia by an experienced veterinary team, it has been refined through decades of research and practice to provide consistent, effective results.

Dosage & Directions

Dog Size Daily Dose
Small (under 10 kg) 5 mL
Medium (10–25 kg) 10 mL
Large (over 25 kg) 20 mL


Shake well before use. Add to your dog’s food once a day. For fussy eaters, it can be mixed into meals or used as a dip.

Ingredients

  • Bacillus subtilis (Natto) — beneficial bacteria
  • Humates
  • Kelp extract
  • Molasses
  • Dechlorinated water

Manufactured in Australia under GMP standards in an APVMA-accredited facility. Vet Pro Nutrition Veterinarian recommended.

Good to Know

  • Shelf stable — no refrigeration required
  • Convenient liquid format for easy dosing
  • Suitable for daily use in dogs and puppies
  • Developed and tested by the Dynavyte veterinary team
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